EP1396996A3 - Sättingungsregelung für RGB-Signale - Google Patents

Sättingungsregelung für RGB-Signale Download PDF

Info

Publication number
EP1396996A3
EP1396996A3 EP03255429A EP03255429A EP1396996A3 EP 1396996 A3 EP1396996 A3 EP 1396996A3 EP 03255429 A EP03255429 A EP 03255429A EP 03255429 A EP03255429 A EP 03255429A EP 1396996 A3 EP1396996 A3 EP 1396996A3
Authority
EP
European Patent Office
Prior art keywords
vector
colour
saturation
rgb
rgb colour
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03255429A
Other languages
English (en)
French (fr)
Other versions
EP1396996A2 (de
Inventor
Yeong-Taeg Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1396996A2 publication Critical patent/EP1396996A2/de
Publication of EP1396996A3 publication Critical patent/EP1396996A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/643—Hue control means, e.g. flesh tone control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6002—Corrections within particular colour systems
    • H04N1/6005—Corrections within particular colour systems with luminance or chrominance signals, e.g. LC1C2, HSL or YUV
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6077—Colour balance, e.g. colour cast correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/86—Camera processing pipelines; Components thereof for processing colour signals for controlling the colour saturation of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
EP03255429A 2002-08-29 2003-08-29 Sättingungsregelung für RGB-Signale Withdrawn EP1396996A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US230827 2002-08-29
US10/230,827 US7042521B2 (en) 2002-08-29 2002-08-29 Method for color saturation adjustment in an RGB color system

Publications (2)

Publication Number Publication Date
EP1396996A2 EP1396996A2 (de) 2004-03-10
EP1396996A3 true EP1396996A3 (de) 2006-09-13

Family

ID=31715267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03255429A Withdrawn EP1396996A3 (de) 2002-08-29 2003-08-29 Sättingungsregelung für RGB-Signale

Country Status (4)

Country Link
US (2) US7042521B2 (de)
EP (1) EP1396996A3 (de)
KR (1) KR100509494B1 (de)
CN (1) CN1224276C (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7042521B2 (en) * 2002-08-29 2006-05-09 Samsung Electronics Co., Ltd. Method for color saturation adjustment in an RGB color system
US7355753B2 (en) * 2003-07-14 2008-04-08 Xerox Corporation Color saturation adjustment
KR20070039032A (ko) * 2004-07-05 2007-04-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 카메라 컬러 잡음 감소 방법 및 회로
KR100691466B1 (ko) * 2004-09-20 2007-03-09 삼성전자주식회사 영상표시장치에서 색상 및 휘도를 조절하는 방법 및 장치
US7430061B2 (en) * 2005-01-06 2008-09-30 Toshiba Corporation System and method to eliminate clipping during color conversion
US7483082B2 (en) * 2005-04-21 2009-01-27 Kolorific, Inc. Method and system for automatic color hue and color saturation adjustment of a pixel from a video source
TW200643848A (en) * 2005-06-01 2006-12-16 Wintek Corp Method and apparatus for four-color data conversion
US7746411B1 (en) * 2005-12-07 2010-06-29 Marvell International Ltd. Color management unit
WO2008080434A1 (en) * 2006-12-29 2008-07-10 Robert Bosch Gmbh Apparatus, process and computer program for limiting the vector length of colour vectors
KR101329140B1 (ko) * 2007-08-27 2013-11-14 삼성전자주식회사 Ｒｇｂｗ 영상 신호의 채도 향상 시스템 및 방법
CN101561991B (zh) * 2008-04-18 2011-06-15 群康科技(深圳)有限公司 显示装置及其色彩调整方法
CN101729913B (zh) * 2008-10-14 2012-11-28 华映视讯（吴江）有限公司 影像饱和度的调整方法与系统
CN101742337B (zh) * 2008-11-17 2012-05-23 联想(北京)有限公司 色彩调节方法和装置
TWI399100B (zh) 2009-03-06 2013-06-11 勝華科技股份有限公司 影像處理方法
CN101841724B (zh) * 2009-03-20 2011-09-28 胜华科技股份有限公司 图像处理方法
CN102158715B (zh) * 2010-02-12 2013-01-30 瑞昱半导体股份有限公司 饱和度调整装置及其方法
TWI424751B (zh) * 2010-08-02 2014-01-21 Realtek Semiconductor Corp 飽和度調整裝置及其方法
CN102752605A (zh) * 2011-09-30 2012-10-24 新奥特（北京）视频技术有限公司 一种调整图像/视频色彩饱和度的方法和系统
TWI550593B (zh) * 2013-08-14 2016-09-21 友達光電股份有限公司 顯示裝置
JP2015154459A (ja) * 2014-02-19 2015-08-24 三星ディスプレイ株式會社Ｓａｍｓｕｎｇ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． 画像処理装置および画像処理方法
US9858845B2 (en) * 2014-10-22 2018-01-02 Snaptrack, Inc. Display incorporating dynamic saturation compensating gamut mapping
CA3077659A1 (en) 2017-10-09 2019-04-18 Ramot At Tel-Aviv University Ltd. Modulators of potassium ion and trpv1 channels and uses thereof
CN114928730B (zh) * 2022-06-23 2023-08-22 湖南国科微电子股份有限公司 图像处理方法和图像处理装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812902A (en) * 1986-08-29 1989-03-14 Agfa-Gevaert Aktiengesellschaft Method and apparatus for adjusting color saturation in electronic image processing
EP0533100A2 (de) * 1991-09-17 1993-03-24 Matsushita Electric Industrial Co., Ltd. Gradationskorrekturverfahren und Gerät
WO2002023917A1 (en) * 2000-09-18 2002-03-21 Sanyo Electric Co., Ltd. Tonality correcting circuit and hue correcting circuit
EP1383341A2 (de) * 2002-07-20 2004-01-21 Samsung Electronics Co., Ltd. Vorrichtung und Verfahren zur adaptiven Farbverbesserung in Farbbildern

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629396C2 (de) * 1986-08-29 1993-12-23 Agfa Gevaert Ag Verfahren zur elektronischen Bildverarbeitung
US5317678A (en) * 1989-03-15 1994-05-31 Hitachi, Ltd. Method for changing color of displayed images by use of color components
US5081529A (en) * 1990-12-18 1992-01-14 Eastman Kodak Company Color and tone scale calibration system for a printer using electronically-generated input images
JPH0678320A (ja) * 1992-08-25 1994-03-18 Matsushita Electric Ind Co Ltd 色調整装置
JP3134660B2 (ja) * 1994-04-14 2001-02-13 松下電器産業株式会社 色変換方法および色変換装置
DE19506595C1 (de) * 1995-02-24 1996-02-01 Schneider Rundfunkwerke Ag Verfahren zur Farbtransformation und ein Farbvideosystem
US6188788B1 (en) * 1997-12-09 2001-02-13 Texas Instruments Incorporated Automatic color saturation control in video decoder using recursive algorithm
US20020145610A1 (en) * 1999-07-16 2002-10-10 Steve Barilovits Video processing engine overlay filter scaler
KR100314097B1 (ko) * 1999-10-08 2001-11-26 윤종용 백색 신호 성분을 구하고 영상의 밝기를 조절하는 방법 및 장치
DE50112268D1 (de) * 2001-02-09 2007-05-10 Imaging Solutions Ag Digitale lokale Bildeigenschaftssteuerung mittels Masken
US6868179B2 (en) * 2001-07-06 2005-03-15 Jasc Software, Inc. Automatic saturation adjustment
JP2004054250A (ja) * 2002-05-29 2004-02-19 Matsushita Electric Ind Co Ltd 画像表示方法及びその装置
US7042521B2 (en) * 2002-08-29 2006-05-09 Samsung Electronics Co., Ltd. Method for color saturation adjustment in an RGB color system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812902A (en) * 1986-08-29 1989-03-14 Agfa-Gevaert Aktiengesellschaft Method and apparatus for adjusting color saturation in electronic image processing
EP0533100A2 (de) * 1991-09-17 1993-03-24 Matsushita Electric Industrial Co., Ltd. Gradationskorrekturverfahren und Gerät
WO2002023917A1 (en) * 2000-09-18 2002-03-21 Sanyo Electric Co., Ltd. Tonality correcting circuit and hue correcting circuit
EP1324621A1 (de) * 2000-09-18 2003-07-02 Sanyo Electric Co., Ltd. Tonalitätskorrekturschaltung und farbtonkorrekturschaltung
EP1383341A2 (de) * 2002-07-20 2004-01-21 Samsung Electronics Co., Ltd. Vorrichtung und Verfahren zur adaptiven Farbverbesserung in Farbbildern

Also Published As

Publication number Publication date
KR20040019847A (ko) 2004-03-06
US20060061692A1 (en) 2006-03-23
CN1496131A (zh) 2004-05-12
US7042521B2 (en) 2006-05-09
CN1224276C (zh) 2005-10-19
EP1396996A2 (de) 2004-03-10
US20040041950A1 (en) 2004-03-04
US7570308B2 (en) 2009-08-04
KR100509494B1 (ko) 2005-08-22

Similar Documents

Publication Publication Date Title
EP1396996A3 (de) Sättingungsregelung für RGB-Signale
Yamaguchi et al. Color image reproduction based on multispectral and multiprimary imaging: experimental evaluation
EP0910047A3 (de) Vollszeneantialiasing mit verbesserten Superabtastungstechniken
US8487958B2 (en) Method and system for changing image density and contrast
EP1326433A3 (de) Gerät und Verfahren zur Bildhelligkeitssteuerung
EP1324265A3 (de) Verfahren und System zur Verbesserung eines Bildmerkmals basierend auf dem Bildinhalt
EP1211643A3 (de) Automatisch Helligkeitsregelung für Röntgenabbildung
Liu et al. Improved method for color image enhancement based on luminance and color contrast
KR100782818B1 (ko) Ｙｕｖ에서 ｒｇｂ로 휘도 보존 컬러 변환 방법 및 시스템
EP1821523A3 (de) Bildanzeigeverfahren und -vorrichtung sowie Bilderzeugungsvorrichtung
TW200623001A (en) Image-processing device and method for enhancing the luminance and the image quality of display panels
US8625031B2 (en) Video display device
EP1392063A3 (de) Vorrichtung und Verfahren zum Einstellen der Farbsättigung
EP1467556A3 (de) Verfahren, Vorrichtung und Programm zur Erzeugung achromatischer Bilder hoher Qualität
US9013501B2 (en) Transmission channel for image data
US7245308B2 (en) Display control device and display device
EP1950733A3 (de) Farbanzeigevorrichtung, Farbkompensationsverfahren, Farbkompensationsprogramm und computerlesbares Speichermedium
CN109035175A (zh) 基于色彩纠正与脉冲耦合神经网络的人脸图像增强方法
KR102575261B1 (ko) 주위조도에 따라 영상의 밝기를 조절하는 디스플레이 구동장치 및 구동방법
EP1729527A3 (de) Vorrichtung und Verfahren zur Gammakorrektur einer Anzeigevorrichtung
EP1534019A3 (de) Methode und Vorrichtung zur Kompensation der Luminanz eines Farbsignals
WO2001067491A3 (en) Digital feature separation
AU2001270795A1 (en) Image enhancement
CN101088277A (zh) 电子彩色图像饱和度处理方法
Koresh Quantization with perception for performance improvement in HEVC for HDR content

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SAMSUNG ELECTRONICS CO., LTD.

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 1/60 20060101ALI20060519BHEP

Ipc: H04N 9/68 20060101AFI20060519BHEP

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

AKX Designation fees paid
17P Request for examination filed

Effective date: 20070308

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB NL

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

17Q First examination report despatched

Effective date: 20070903

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SAMSUNG ELECTRONICS CO., LTD.

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20130709